This is a math practice app designed for primary school students, which aims to help children improve their math calculation ability and cultivate their interest in learning through gamification. Daily Practice: unlimited questions to practice, support horizontal and vertical random questions Basic Practice: includes horizontal, vertical and continuous operations Wrong Question Book: automatically record wrong questions for easy review Practice Record: record daily practice, including statistical charts Difficulty Level: Calculation within 10: suitable for kindergarten senior class Calculation within 20: suitable for the first semester of grade 1 Calculation within 100: suitable for the second semester of grade 1 Practice Type: Horizontal Practice: addition, subtraction, mixed operations Vertical Practice: addition, subtraction, mixed operations Continuous Operation: continuous addition and subtraction of three numbers Interactive Features: Each correct answer has a flower animation encouragement Supports horizontal and vertical input methods Clear progress and score display Intuitive place value marking (ones, tens, hundreds) Data Statistics: Record the number of questions completed daily Statistical accuracy Practice time record Visual practice data